// The old class way

class OldWay extends React.Component {
  constructor(props) {
    super(props);
    this.state = { count: 0 };
  }

  render() {
    return (
      <div>
        <div>You have clicked {this.state.count} times.</div>
        <button onClick={() => this.setState({ count: this.state.count + 1 })}>Click</button>
      </div>
    );
  }
}

// Hooks let you do this!

import React, { useState } from 'react';

function NewWay() {
  // Declare new state variable called "count"
  const [count, setCount] = useState(0);

  return (
    <div>
      <div>You have clicked {this.state.count} times.</div>
      <button onClick={() => this.setState({ count: this.state.count + 1 })}>Click</button>
    </div>
  );
}